KnowraDiffusion equationLinked fromLinked fromThe 11 pages that link to Diffusion equation, each with the reason it gives.All 11Broader topic 2Related 3Narrower topic 2Compared with 4Wave equationCompared with: Its typical solutions spread without a finite propagation speed.Poisson's equationCompared with: Its time-dependent smoothing contrasts with Poisson's spatial equilibrium relation.Wiener processRelated: The Wiener process's probability densities evolve according to the diffusion equation.Diffusion coefficientBroader topic: The coefficient appears as the parameter controlling the rate of concentration smoothing.Hyperbolic partial differential equationCompared with: It provides a familiar model whose idealized disturbances spread infinitely fast.Feynman–Kac formulaBroader topic: Brownian expectations give a direct representation of its solutions.Parabolic partial differential equationNarrower topic: Parabolic equations form a broad mathematical framework for diffusion models.Electromagnetic wave equationCompared with: Strongly dissipative electromagnetic regimes can approach diffusion rather than wave propagation.Crank–Nicolson methodNarrower topic: The method is especially associated with linear diffusion problems.Diffusion and random walksRelated: It captures the macroscopic evolution generated by random microscopic motion.Rayleigh problemRelated: The plate’s velocity field obeys this equation as momentum diffuses into the fluid.